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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Atlantic City, Atlantic City International Airport (KACY)

Lat: 39.45°NLon: 74.57°WElev: 56ft.

Overcast

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 29.93 in (1013.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 4:54 am EDT
Extended Forecast for

3 Miles SSE New Gretna NJ

Coastal Flood Advisory August 18, 04:00pm until August 18, 10:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Today

    Today: A slight chance of showers before 1pm, then a slight chance of showers after 2pm. Cloudy, with a high near 73. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. East wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. East wind around 10 mph.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. East wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 80. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before 1pm, then a slight chance of showers after 2pm. Cloudy, with a high near 73. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 63. East wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 75. East wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 62. East wind around 5 mph.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 80. East wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE New Gretna NJ
 39.68°N 74.51°W (Elev. 23 ft)
Last Update:
4:11 am EDT Aug 18, 2025
Forecast Valid:
5am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation